Terry Frost

Rowdy Yates is accused of murder, and has to alert the Army to a bandit assault.

Sheriff Plummer and his men are using their badges to easily rob gold shipments and kill the drivers. Marshal McDowell and his men are looking for the killers. They catch one who is murdered to keep from talking but his killer is identified as Plummer's Deputy. Plummer is still not suspected when McDowell's wife is kidnaped and the outlaws demand the big gold shipment be sent unguarded. So McDowell heads out alone to face the gang with a load of gunpowder instead of gold and only a few trusted Deputies nearby.

A young man without surname inherits a big indebted ranch and has to prove his worthiness managing a cattle drive.

A dedicated FBI agent recalls the agency's battles against the Klan, organized crime and Communist spies.

Passing through a border town, a man is caught up in a Mexican's murder of a member of the town's most powerful family.

When a crooked sheriff murders his employer, William "Billy the Kid" Bonney decides to avenge the death by killing the man responsible, throwing the lives of everyone around him into turmoil, and endangering the General Amnesty set up by Governor Wallace to bring peace to the New Mexico Territory.

With his assistant, Laura Hutchinson, Dr. David Conway develops a device to advance the fledgling science of earthquake prediction. After forecasting a large trembleor that will rock California within twenty-four hours, Conway cannot persuade the Governor to act. When the prediction proves true and further tests indicate that there are more quakes to come, Conway and Laura seek to perfect their device. Subsequent tests deep within Carlsbad Caverns discover an unknown element—E-112—that is responsible for the earthquakes and threatens to destroy the globe if it ever reaches the surface. The team determines that with only four weeks until Armageddon, the race is on to neutralize the killer element before it takes a devastating toll.

An electric shock enables Sach to predict numbers, so the Bowery Boys are off to Las Vegas to win enough money at the roulette wheels to let their landlady buy an apartment building. Witnessing his winning streak, some gangsters decide to move in and find out his "system" for beating the odds.

In the 56th (and next-to-last serial) made by Columbia Pictures, Montana Deputy Dan Lawson, posing as an outlaw called Laramie, goes to the Canadian northwest on the trail of Bart Randall who is wanted for murder and bank robbery in the states. In Canada, Randall is a little more upscale and uses a hydra-plane and a fake totem to over-awe the Indians. Laramie is aided in his search by RCMP Sergeant Gray and by Donna Blane, who is suspected at first of giving information to Randall, but who is actually a Canadian secret agent investigating Randall's gun-trading with the Indians.

Murders, with victims dying from spines broken by brute strength, erupt in the city and the killers, when encountered, walk away unharmed by police bullets which strike them. A police doctor's investigation of the deaths leads to the discovery of an army of dead criminal musclemen restored to life, remotely controlled by a vengeful former crime boss and a former Nazi scientist, from the latter's laboratory hidden in the suburbs.